Bomba hidráulica Nachi PVD-0B-18P-6G3 para mini-escavadora Kubota KX20

KX20 Hydraulic pump for Excavator spare parts PVD‑0B‑18P‑6G3 Axial Piston pump OEM

Product Overview

Sitting between the micro machines and the full 3‑ton class, the Kubota KX20 punches well above its size — a compact excavator strong enough for real digging work yet small enough to move on a light trailer. That blend of power and portability is exactly why rental depots and small contractors keep them running hard, often through back‑to‑back jobs with little scheduled downtime. The PVD‑0B‑18P axial piston pump is the component at the centre of that performance, converting the small diesel's output into the hydraulic flow that lifts the boom, curls the bucket and drives the tracks. When it wears, the machine changes character: boom movement loses its crispness, the tracks feel sluggish under load, a high pump note builds, and the oil temperature climbs faster than it should. On a machine earning its living by the hour, those symptoms cannot wait. This OEM‑grade pump is built to the original PVD‑0B‑18P‑6G3 specification, so a worn unit can be exchanged directly and the KX20 returns to the responsive digging it is known for.

Core Advantages

1. OEM‑grade tolerances that preserve the KX20's compact‑power character
A small pump running at high relative pressure needs accurate internal clearances. Our OEM‑grade machining holds those tolerances, so the pump delivers its rated flow crisply rather than softly — the feel operators associate with a well‑running KX20.

2. Hardened surfaces that survive dusty mini‑machine sites
Compact excavators work where dust and contamination are hardest to control. Hardened piston, cylinder block and valve plate surfaces resist abrasive wear from fine particles, which is what keeps the pump producing through long rental hours.

3. Responsive control matched to the original hydraulic feel
The regulator is set to the pump's factory mapping, so the pump reacts as the levers expect. Operators keep the precise digging control these compact machines are valued for, without the lag or surging that poorly matched pumps introduce.

4. A clean, fast fit for compact workshops and site repairs
The pump reproduces the original mounting and port layout, so removal and refitting follow the standard service routine. For rental depots turning machines around fast, that means shorter bench time.

5. A cost‑conscious OEM‑spec choice for a busy machine
Renewing the pump to OEM specification restores performance far below the price of a dealer exchange unit — a practical proposition for owner‑operators and workshops keeping several KX20s on the books.

Manufacturing & Quality Control

Every pump is produced under controlled conditions: material verification, precision machining, surface hardening and clean assembly. Each completed unit is bench‑tested for pressure, flow and running noise before release, and only passing units are packed. Preservation coating, sealing and cushioned small‑parcel export packing protect the pump through storage and long‑distance freight.

Frequently Asked Questions

Q1: How do I confirm this pump matches my KX20?
A: Match the model on the existing pump (PVD‑0B‑18P‑6G3) and share your machine serial number. Compact‑machine variants can differ, so we verify before dispatch.

Q2: What symptoms mean the pump needs attention?
A: Soft or hesitant boom and bucket movement, slow tracks, a rising pump whine and quick oil warm‑up. If these appear, inspect the pump before debris spreads through the circuit.

Q3: Should I service the oil circuit when fitting the new pump?
A: Yes — renew the oil and filter and flush the circuit as far as practical. Clean hydraulic fluid is the single best protection for the new pump's precision surfaces.

Q4: What does the warranty cover?
A: Manufacturing and material defects are covered. Damage from contaminated oil, wrong fluid, foreign objects, overload or incorrect installation is excluded; please follow the Kubota service manual for fitting.